UBE2D1 Protein, Human, Recombinant (GST)Ubiquitin-protein ligase D1, Ubiquitin-conjugating enzyme E2-17 kDa 1, Ubiquitin-conjugating enzyme E2(17)KB 1, Ubiquitin-conjugating enzyme E2 D1, Ubiquitin carrier protein D1, UbcH5, UBC5A, UBC4/5 homolog, UB, Stimulator of Fe transport, SFT